HarperCollins · Ian Allan Publishing
| title | ISBN-13 | year of publication |
|---|---|---|
| London's Underground | 978-0-7110-1899-0 | 1991 |
| London's Underground | 978-0-7110-1559-3 | 1986 |
| London's Underground | 978-0-7110-1043-7 | 1981 |
| Rapid Transit Railways of the World | 978-0-04-385056-5 | 1971 |